THERMOMETER Supports temperature management needs of various applications Compact and weighing only 160g More than 200 hours of continuous operation on a single battery An assortment of 9 optional temperature sensors 3442 : Waterproof construction Basic specifications Material type     K type thermocouple, ( Chromel/ Alumel)  Measurement range     -100 ° C to 1300 ° C ( -148 ° F to 2372 ° F) , The actual measurement range is restricted by the temperature probe. Resolution     0.1 ° C* 1, or 1 ° C* 2 Unit Accuracy     ± 0.1 % rdg. ± 0.8 ° C ( 1.5 ° F) * 1, or ± 0.2 % rdg. ± 1 ° C ( 1.8 ° F) * 2 ( additive to accuracy of temperature sensor)  * 1 during measurement from -100 to 199.9 ° C ( -148 ° F to 392 ° F)  * 2 during measurement from 200 to 1300 ° C ( 392 ° F to 2372 ° F)  Display     LCD Sampling rate     2 times/ second Contact compensation     Auto compensation Functions     Max/ Min temperature recording and display, display data hold, sensor discontinuity display, Over-range display, auto power save, low battery warning Power supply     R6P( AA) × 4, or LR6( AA) × 4 Operating time     200 hours or better of continuous use ( with manganese battery)  Dimensions, mass     74 mm( 2.91 in) W × 155 mm( 6.10 in) H × 24 mm( 0.94 in) D, 160 g ( 5.6 oz)  Accessories     Strap band ( 1)